Central Valley Aquifer — San Joaquin Valley
The San Joaquin Valley portion of the Central Valley aquifer is critically overdrafted. The Corcoran Clay confining layer separates upper and lower aquifer zones. Land subsidence exceeding 28 feet has been recorded — the worst in the United States. SGMA (Sustainable Groundwater Management Act) now mandates sustainability plans.
Overview
The San Joaquin Valley portion of the Central Valley aquifer is critically overdrafted. The Corcoran Clay confining layer separates upper and lower aquifer zones. Land subsidence exceeding 28 feet has been recorded — the worst in the United States. SGMA (Sustainable Groundwater Management Act) now mandates sustainability plans.
Water Source Data
Water Intelligence Score Breakdown
Total: 80/100Risk Assessment
Source depletion probability
Rights & regulatory exposure
Contamination & ecosystem risk
Geological Intelligence
Formation & aquifer contextHigh porosity — shallow, rechargeable aquifer
Pressurized between impermeable layers — protected from surface contamination
Land Details
Public AccessWater Rights
UnverifiedRights Status Unknown
Not yet researched
Water rights for this asset have not been independently verified. Title research and jurisdictional review are required before any acquisition.
- Requires title and rights research
- Contact state water resources agency
- Budget for legal due diligence
Disclaimer: Water rights information is provided for research and informational purposes only and does not constitute legal advice. Rights status, seniority, transferability, and enforceability vary by jurisdiction and change over time. Always consult a licensed water rights attorney and verify status with the relevant state water resources agency before any acquisition or use decision.
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Location
Data Sources & Attribution
Updated Apr 5, 2026Data is sourced from public and authoritative providers. Hi3 Water aggregates, normalizes, and scores records but does not assert ownership of underlying source data. Always verify critical details with the primary source before any decision.